Sony has officially announced all flagship Android of Xperia series 5.0 source code, including Z3, Z2 and Z1. The release of AOSP source code means that developers can start to make custom ROMs based on Android 5.0 for the above devices.
Developers can add and improve various functions according to their own preferences, without having to deal with the two-layer code added by manufacturers.
Sony has announced that all its Z series mobile phones can be upgraded to Google's latest Android 5.0 system.